|
US1331801A
(en)
|
1919-09-16 |
1920-02-24 |
Buttner Joseph |
Safety steering device for motor-vehicles
|
|
US1902550A
(en)
|
1930-01-31 |
1933-03-21 |
Nat Synthetic Corp |
Process of oxidizing cyclic organic compounds
|
|
US1936427A
(en)
|
1930-01-31 |
1933-11-21 |
Nat Synthetic Corp |
Process of oxidizing naphthalene and related condensed aromatic ring compounds
|
|
US2572575A
(en)
|
1949-09-23 |
1951-10-23 |
Monsanto Chemicals |
Preparation of terephthalic acid
|
|
US2572710A
(en)
|
1949-09-23 |
1951-10-23 |
Monsanto Chemicals |
Preparation of terephthalic acid
|
|
US3064044A
(en)
|
1957-08-15 |
1962-11-13 |
Standard Oil Co |
Multistage oxidation system for preparing dicarboxylic acid
|
|
US3082250A
(en)
|
1958-05-05 |
1963-03-19 |
Standard Oil Co |
Recovery of phthalic acid products
|
|
US3071447A
(en)
|
1958-09-09 |
1963-01-01 |
Whiting Corp |
Hydraulic classifier
|
|
US3029278A
(en)
|
1958-12-11 |
1962-04-10 |
Standard Oil Co |
Process for separation of phthalic acids
|
|
AT236346B
(de)
|
1961-01-25 |
1964-10-12 |
Union Carbide Corp |
Boden zum Inberührungbringen von Flüssigkeit und Gas
|
|
US3257363A
(en)
|
1961-05-22 |
1966-06-21 |
Phillips Petroleum Co |
Control of the composition of a reaction mixture
|
|
GB1007570A
(en)
|
1961-07-24 |
1965-10-13 |
Socaty |
Process for the catalytic oxidation of xylenes or industrial mixtures of xylenes
|
|
NL282031A
(enExample)
|
1961-08-14 |
|
|
|
|
US3216481A
(en)
|
1962-04-17 |
1965-11-09 |
Badger Co |
Recovery of phthalic and maleic acid from solutions
|
|
NL294776A
(enExample)
|
1962-10-06 |
|
|
|
|
US3244744A
(en)
|
1963-02-27 |
1966-04-05 |
Standard Oil Co |
Separation process for isophthalic acid and terephthalic acid
|
|
GB1062482A
(en)
|
1963-04-30 |
1967-03-22 |
Standard Oil Co |
High quality phthalic acids
|
|
FR1394471A
(fr)
|
1963-04-30 |
1965-04-02 |
Standard Oil Co |
Perfectionnements aux procédés pour la préparation d'acides benzène-polycarboxyliques de haute pureté
|
|
DE1276628C2
(de)
|
1963-05-20 |
1975-01-16 |
Rudzki, Henryk Stanislaw, Dr., Los Angeles, Calif. (V.St.A.) |
Verfahren zur herstellung von isophtalsaeure und/oder terephthalsaeure
|
|
US3410897A
(en)
|
1963-10-10 |
1968-11-12 |
Maruzen Oil Company Ltd |
Purification of terephthalic acid
|
|
US3293288A
(en)
|
1963-12-02 |
1966-12-20 |
Exxon Research Engineering Co |
Process for the separation of monobasic and dibasic aromatic acids
|
|
US3388157A
(en)
|
1965-02-10 |
1968-06-11 |
Ethyl Corp |
Process for the production of dicarboxylic acids
|
|
NL6606774A
(enExample)
|
1965-05-17 |
1966-11-18 |
|
|
|
GB1142864A
(en)
|
1965-11-15 |
1969-02-12 |
Ici Ltd |
Crystallisation process
|
|
US3637831A
(en)
*
|
1966-03-30 |
1972-01-25 |
Mobil Oil Corp |
Catalytic treatment of vaporized acids
|
|
US3497552A
(en)
|
1966-07-18 |
1970-02-24 |
Standard Oil Co |
Continuous crystallization in a plurality of cooling stages using dilutions by cooled solvent of feed to each stage
|
|
US3549695A
(en)
|
1966-09-01 |
1970-12-22 |
Mobil Oil Corp |
Method for downflow leaching
|
|
US3534090A
(en)
|
1966-11-04 |
1970-10-13 |
Mobil Oil Corp |
Hydrocarbon oxidation
|
|
US3584039A
(en)
|
1967-08-30 |
1971-06-08 |
Standard Oil Co |
Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
|
|
US3556733A
(en)
|
1968-04-05 |
1971-01-19 |
Struthers Scientific Int Corp |
Fines dissolver for crystallizers
|
|
US3850981A
(en)
|
1968-04-16 |
1974-11-26 |
Celanese Corp |
Liquid phase oxidation of p-xylene to terephthalic acid
|
|
FR2006269A1
(enExample)
|
1968-04-16 |
1969-12-26 |
Celanese Corp |
|
|
US3626001A
(en)
|
1968-05-09 |
1971-12-07 |
Atlantic Richfield Co |
Method for the production of high-purity isophthalic or terephthalic acid
|
|
AT282466B
(de)
|
1968-07-25 |
1970-06-25 |
Oemv Ag |
Bitumenblasverfahren und Einrichtung zur Durchführung desselben
|
|
DE1792402A1
(de)
|
1968-08-29 |
1971-11-11 |
Dynamit Nobel Ag |
Verfahren zur Durchfuehrung exothermer chemischer Reaktionen in heterogenen Gas-Fluessigkeits-Gemischen
|
|
CA849014A
(en)
|
1968-10-25 |
1970-08-11 |
Ichikawa Yataro |
Apparatus for continuous gas-liquid contact and process for refining crude terephthalic acid
|
|
US3660476A
(en)
|
1968-10-30 |
1972-05-02 |
Teijin Ltd |
Method for the preparation of terephthalic acid
|
|
US3708532A
(en)
|
1968-11-04 |
1973-01-02 |
Teijin Ltd |
Process for the continuous purification of crude terephthalic acid
|
|
BE724040A
(enExample)
|
1968-11-18 |
1969-05-02 |
|
|
|
US3700731A
(en)
|
1969-02-28 |
1972-10-24 |
Du Pont |
Process for oxidizing xylenes to phthalic acids
|
|
US3629321A
(en)
|
1969-05-26 |
1971-12-21 |
Standard Oil Co |
Integration of para-xylene oxidation to terephthalic acid and its esterification to dimethyl terephthalate
|
|
US3839436A
(en)
|
1969-05-26 |
1974-10-01 |
Standard Oil Co |
Integration of para-or meta-xylene oxidation to terephthalic acid or isophthalic acid and its purification by hydrogen treatment of aqueous solution
|
|
US3683018A
(en)
|
1969-05-26 |
1972-08-08 |
Standard Oil Co |
Integrated oxidation of isomeric xylene mixture to isomeric phthalic acid mixture and separation of mixture of isomeric phthalic acids into individual isomer products
|
|
DE1927937A1
(de)
|
1969-05-31 |
1970-12-17 |
Dynamit Nobel Ag |
Verfahren zur Herstellung von Benzoldicarbonsaeuren bzw. Benzoldicarbonsaeureestern
|
|
US3873275A
(en)
|
1969-09-29 |
1975-03-25 |
Whiting Corp |
Crystallization apparatus and method
|
|
BE759284A
(fr)
|
1969-11-24 |
1971-05-24 |
Shell Int Research |
Procede et appareil pour la mise en contact d'un liquide avec des particules solides
|
|
GB1301291A
(enExample)
|
1969-12-01 |
1972-12-29 |
|
|
|
US3686293A
(en)
|
1970-07-13 |
1972-08-22 |
Giorgio Gualdi |
Process for the preparation of aromatic carboxylic acids
|
|
JPS5328419B1
(enExample)
|
1971-04-26 |
1978-08-15 |
|
|
|
US3785779A
(en)
|
1971-08-02 |
1974-01-15 |
Exxon Research Engineering Co |
Gas liquid inlet distributor
|
|
JPS5544644B2
(enExample)
|
1971-09-23 |
1980-11-13 |
|
|
|
GB1373230A
(en)
|
1971-12-23 |
1974-11-06 |
Mitsui Petrochemical Ind |
Process for producing terephthalic acid
|
|
JPS5234590B2
(enExample)
|
1971-12-28 |
1977-09-03 |
|
|
|
NL169993C
(nl)
|
1972-01-13 |
1982-09-16 |
Maruzen Oil Co Ltd |
Werkwijze ter bereiding van tereftaalzuur.
|
|
DE2217003C2
(de)
|
1972-04-08 |
1983-12-15 |
Chemische Werke Hüls AG, 4370 Marl |
Verfahren und Vorrichtung zur kontinuierlichen Herstellung von gesättigten aliphatischen Dicarbonsäuren
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|
GB1428831A
(en)
|
1972-05-20 |
1976-03-17 |
Teijin Ltd |
Separation of aromatic carboxylic acids
|
|
US3845117A
(en)
|
1972-12-14 |
1974-10-29 |
Halcon International Inc |
Process for preparation of phthalic acids
|
|
JPS5328421B2
(enExample)
*
|
1973-05-15 |
1978-08-15 |
|
|
|
US3931305A
(en)
|
1973-08-20 |
1976-01-06 |
Standard Oil Company |
Terephthalic acid recovery by continuous flash crystallization
|
|
JPS5328902B2
(enExample)
|
1973-09-14 |
1978-08-17 |
|
|
|
US3850983A
(en)
|
1973-10-15 |
1974-11-26 |
Standard Oil Co |
Separation of terephthalic from paratoluic acid from solutions thereof in water and/or acetic acid
|
|
US4053506A
(en)
|
1975-05-02 |
1977-10-11 |
Standard Oil Company (Indiana) |
Production of fiber-grade terephthalic acid
|
|
BE847474A
(fr)
*
|
1975-10-24 |
1977-04-20 |
|
Oxydation secondaire d'un effluent fluide de l'oxydation primaire du m-xylene ou du p-xylene,
|
|
US3997620A
(en)
|
1975-10-28 |
1976-12-14 |
Uop Inc. |
Process for separating para-xylene
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|
JPS5912096B2
(ja)
*
|
1975-10-31 |
1984-03-21 |
三菱化学株式会社 |
ホウコウゾクポリカルボンサンノセイゾウホウ
|
|
JPS5278846A
(en)
|
1975-12-25 |
1977-07-02 |
Matsuyama Sekyu Kagaku Kk |
Continuous production of high purity telephthalic acid
|
|
GB1574651A
(en)
|
1976-02-24 |
1980-09-10 |
Matsuyama Petrochemicals Inc |
Process and apparatus for producing aromatic dicarboxylic acids
|
|
JPS52108946A
(en)
*
|
1976-03-05 |
1977-09-12 |
Kuraray Yuka Kk |
Production of purified terephthalic acid
|
|
JPS52111532A
(en)
*
|
1976-03-11 |
1977-09-19 |
Kuraray Yuka Kk |
Production of high-purity terephthalic acid
|
|
SU1126202A3
(ru)
|
1976-05-28 |
1984-11-23 |
Институт Фор Атомэнерги (Фирма) |
Способ непрерывной многостадийной кристаллизации из раствора
|
|
DE2623977C3
(de)
|
1976-05-28 |
1979-04-12 |
Nukem Gmbh, 6450 Hanau |
Verfahren und Vorrichtung zur Herstellung von rieselfähigem, direkt verpressbarem Urandioxid-Pulver
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|
US4081464A
(en)
|
1976-07-26 |
1978-03-28 |
Standard Oil Company |
Iso- or terephthalic acid production in and recovery from benzoic acid-water solvent system
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|
US4185073A
(en)
|
1976-07-26 |
1980-01-22 |
Standard Oil Company (Indiana) |
Apparatus for iso- or terephthalic acid production in and recovery from benzoic acid-water solvent system
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|
GB1542320A
(en)
|
1976-10-26 |
1979-03-14 |
Labofina Sa |
Process for the preparation of aromatic dicarboxylic acids
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|
NL188282C
(nl)
|
1977-04-04 |
1992-05-18 |
Montedison Spa |
Werkwijze voor de synthese van tereftaalzuur door oxyderen van p-xyleen in azijnzuuroplossing.
|
|
US4158738A
(en)
|
1977-05-26 |
1979-06-19 |
E. I. Du Pont De Nemours And Company |
Process for the production of fiber-grade terephthalic acid
|
|
US4482524A
(en)
|
1978-01-31 |
1984-11-13 |
Ari Technologies, Inc. |
Autocirculation apparatus
|
|
DE2805915C3
(de)
|
1978-02-13 |
1981-11-05 |
Dynamit Nobel Ag, 5210 Troisdorf |
Reaktor zur Oxidation von Gemischen aus p-Xylol und p-Toluylsäuremethylester mit sauerstoffhaltigen Gasen in flüssiger Phase
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|
US4233269A
(en)
|
1978-11-09 |
1980-11-11 |
Exxon Research & Engineering Co. |
Gas liquid distributor
|
|
US4263448A
(en)
|
1979-03-30 |
1981-04-21 |
Halcon Research And Development Corp. |
Process for oxidation of hydrocarbons
|
|
US4255590A
(en)
|
1979-11-08 |
1981-03-10 |
Standard Oil Company (Indiana) |
Combination of pyrolysis and incineration of solid mixture of oxygen-containing aromatic compounds obtained as residue of manufacture of benzene di- and tricarboxylic acids
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|
IT1129759B
(it)
*
|
1980-01-23 |
1986-06-11 |
Montedison Spa |
Metodo per ricuperare in forma attiva i componenti del sistema catalitico della sintesi dell'acido tereftalico
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GB2072162B
(en)
|
1980-03-21 |
1984-03-21 |
Labofina Sa |
Process for the production and the recovery of terephthalic acid
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|
ZA814307B
(en)
*
|
1980-07-01 |
1983-02-23 |
Nat Res Dev |
Prostaglandins
|
|
DE3047101A1
(de)
|
1980-12-13 |
1982-07-22 |
Hoechst Ag, 6000 Frankfurt |
Verfahren zum verbessern der gasverteilung in mammut-schlaufenreaktoren
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US4342876A
(en)
|
1980-12-22 |
1982-08-03 |
Bechtel International Corporation |
Method for oxidation of p-xylene and method for preparing dimethylterephthalate
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|
US4334086A
(en)
|
1981-03-16 |
1982-06-08 |
Labofina S.A. |
Production of terephthalic acid
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|
US4459365A
(en)
|
1981-05-29 |
1984-07-10 |
Mitsubishi Gas Chemical Company, Inc. |
Method of recovering a catalytic metal
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US4456767A
(en)
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1981-07-27 |
1984-06-26 |
Rhone-Poulenc, Inc. |
Solvent and catalyst recovery and recycle in the manufacture of phenoxybenzoic acid
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US4391985A
(en)
|
1981-11-16 |
1983-07-05 |
Eastman Kodak Company |
Process for the separation of isophthalic acid from terephthalic acid
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|
DE3363127D1
(en)
|
1982-02-09 |
1986-05-28 |
Bbc Brown Boveri & Cie |
Method and apparatus for treating a liquid with a gas
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|
JPS58189134A
(ja)
*
|
1982-04-30 |
1983-11-04 |
Mitsubishi Chem Ind Ltd |
テレフタル酸の製造方法
|
|
JPS59104345A
(ja)
|
1982-12-03 |
1984-06-16 |
Kuraray Yuka Kk |
直接重合用に適したテレフタル酸の製造方法
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JPS59106435A
(ja)
|
1982-12-10 |
1984-06-20 |
Mitsubishi Chem Ind Ltd |
高純度テレフタル酸の製法
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JPS6036439A
(ja)
|
1983-08-09 |
1985-02-25 |
Mitsubishi Chem Ind Ltd |
テレフタル酸の製法
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US4500732A
(en)
|
1983-09-15 |
1985-02-19 |
Standard Oil Company (Indiana) |
Process for removal and recycle of p-toluic acid from terephthalic acid crystallizer solvent
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US4769487A
(en)
|
1984-08-20 |
1988-09-06 |
Amoco Corporation |
Multistage oxidation in a single reactor
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|
US4605763A
(en)
|
1984-08-31 |
1986-08-12 |
Eastman Kodak Company |
Process for the purification of terephthalic acid
|
|
US4777287A
(en)
|
1984-10-29 |
1988-10-11 |
Amoco Corporation |
Recycle of vaporized solvent in liquid phase oxidation of an alkyl aromatic
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US4835307A
(en)
|
1984-12-13 |
1989-05-30 |
Amoco Corporation |
Method and apparatus for controlling the manufacture of terephthalic acid to control the level and variability of the contaminant content and the optical density
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|
US4648999A
(en)
|
1985-07-22 |
1987-03-10 |
M. W. Kellogg Company |
Apparatus for contacting fluid with solid
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GB8527335D0
(en)
|
1985-11-06 |
1985-12-11 |
Ici Plc |
Fermentation process
|
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US4652674A
(en)
*
|
1985-11-22 |
1987-03-24 |
Amoco Corporation |
Method for monitoring the fluorescence of 4-carboxy-p-terphenyl in crude terephthalic acid
|
|
US4892970A
(en)
|
1985-12-30 |
1990-01-09 |
Amoco Corporation |
Staged aromatics oxidation in aqueous systems
|
|
US5099064A
(en)
|
1985-12-30 |
1992-03-24 |
Amoco Corporation |
Method for increasing conversion efficiency for oxidation of an alkyl aromatic compound to an aromatic carboxylic acid
|
|
DE3625261A1
(de)
|
1986-07-25 |
1988-02-04 |
Basf Ag |
Verfahren zur kontinuierlichen hydroformylierung olefinisch ungesaettigter verbindungen
|
|
US4769489A
(en)
|
1986-07-28 |
1988-09-06 |
Amoco Corporation |
Catalyst recovery method
|
|
US4914230A
(en)
|
1986-07-28 |
1990-04-03 |
Amoco Corporation |
Catalyst recovery method
|
|
JPH078821B2
(ja)
*
|
1986-09-26 |
1995-02-01 |
三井石油化学工業株式会社 |
芳香族カルボン酸の製造方法
|
|
JPH078823B2
(ja)
|
1986-10-20 |
1995-02-01 |
三井石油化学工業株式会社 |
高純度テレフタル酸の製造方法
|
|
US5166420A
(en)
|
1986-10-20 |
1992-11-24 |
Mitsui Petrochemical Industries, Ltd. |
Process for the production of high purity terephthalic acid
|
|
US4900480A
(en)
|
1986-10-21 |
1990-02-13 |
Union Carbide Corporation |
Gas-liquid mixing
|
|
DE3641305C1
(de)
|
1986-12-03 |
1988-03-24 |
Kalk Chemische Fabrik Gmbh |
Verfahren und Vorrichtung zur Herstellung einer suspendiertes Calciumcarbonat enthaltenden Ammoniumnitratloesung
|
|
DE3704720A1
(de)
|
1987-02-14 |
1988-08-25 |
Huels Troisdorf |
Verfahren und vorrichtung zur herstellung von benzolcarbonsaeuren bzw. benzoldicarbonsaeureestern
|
|
JP2504461B2
(ja)
|
1987-04-24 |
1996-06-05 |
三菱化学株式会社 |
高品質テレフタル酸の製法
|
|
DE3839229A1
(de)
|
1988-11-19 |
1990-05-23 |
Krupp Koppers Gmbh |
Verfahren zur gewinnung von p-xylol mit einer reinheit von mehr als 99,8 gew.-%
|
|
US5211924A
(en)
|
1988-02-29 |
1993-05-18 |
Amoco Corporation |
Method and apparatus for increasing conversion efficiency and reducing power costs for oxidation of an aromatic alkyl to an aromatic carboxylic acid
|
|
US4855491A
(en)
|
1988-04-25 |
1989-08-08 |
Amoco Corporation |
Method for selectively removing process stream impurities utilizing reverse osmosis
|
|
US4863888A
(en)
|
1988-04-29 |
1989-09-05 |
Amoco Corporation |
Catalyst containing cobalt boron and oxygen and optionally aluminum of preparation and process
|
|
GB8811114D0
(en)
|
1988-05-11 |
1988-06-15 |
Ici Plc |
Fermentation process & apparatus
|
|
US4855492A
(en)
|
1988-05-27 |
1989-08-08 |
Amoco Corporation |
Process for production of aromatic polycarboxylic acids
|
|
US4833269A
(en)
|
1988-08-05 |
1989-05-23 |
Amoco Corporation |
Method for purifying terephthalic acid recycle streams
|
|
US4939297A
(en)
|
1989-06-05 |
1990-07-03 |
Eastman Kodak Company |
Extraction process for removal of impurities from terephthalic acid filtrate
|
|
US5068406A
(en)
|
1989-09-06 |
1991-11-26 |
Amoco Corporation |
Compartmented oxidation method
|
|
US5004830A
(en)
|
1989-11-29 |
1991-04-02 |
Amoco Corporation |
Process for oxidation of alkyl aromatic compounds
|
|
US5126037A
(en)
|
1990-05-04 |
1992-06-30 |
Union Oil Company Of California |
Geopreater heating method and apparatus
|
|
KR920004602B1
(ko)
|
1990-06-07 |
1992-06-11 |
재단법인 한국화학연구소 |
1-옥소-1, 2, 3, 4-테트라하이드로나프탈렌의 제조방법
|
|
ES2064912T3
(es)
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1990-06-25 |
1995-02-01 |
Mitsubishi Gas Chemical Co |
Procedimiento para producir acido isoftalico de elevada pureza.
|
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US5356600A
(en)
|
1990-09-24 |
1994-10-18 |
Praxair Technology, Inc. |
Oxygen enrichment method and system
|
|
US5095145A
(en)
*
|
1990-11-05 |
1992-03-10 |
Amoco Corporation |
Preparation of purified terephthalic acid from waste polyethylene terephthalate
|
|
US5095142A
(en)
|
1990-11-29 |
1992-03-10 |
Amoco Corporation |
Solvent recovery during production of aromatic polycarboxylic acids
|
|
GB9102393D0
(en)
|
1991-02-05 |
1991-03-20 |
Ici Plc |
Production of terephthalic acid
|
|
GB9104776D0
(en)
|
1991-03-07 |
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